Home / 191,215,883.28-286,668,228.60-59,990,700.72

Finding the Fourth Proportional to 191,215,883.28, 286,668,228.60 and 59,990,700.72

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Solution

The fourth proportional to 191,215,883.28, 286,668,228.60 and 59,990,700.72 is: 89,937,235.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,215,883.28 : 286,668,228.60 = 59,990,700.72 : x
  2. Step 2: Convert to fraction form
    191,215,883.28/286,668,228.60 = 59,990,700.72/x
  3. Step 3: Cross multiply
    191,215,883.28x = 286,668,228.60 × 59,990,700.72
  4. Step 4: Simplify right side
    191,215,883.28x = 17,197,427,907,875,146
  5. Step 5: Solve for x
    x = 17,197,427,907,875,146/191,215,883.28
  6. Step 6: Final answer
    x = 89,937,235.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.